From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,c0f26278da31ef9 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!newshub.sdsu.edu!elnk-nf2-pas!newsfeed.earthlink.net!stamper.news.pas.earthlink.net!newsread1.news.pas.earthlink.net.POSTED!a6202946!not-for-mail From: Jeffrey Carter Organization: jrcarter commercial-at acm [period | full stop] org User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Constraint Error References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Message-ID: Date: Thu, 30 Sep 2004 00:42:28 GMT NNTP-Posting-Host: 63.184.8.214 X-Complaints-To: abuse@earthlink.net X-Trace: newsread1.news.pas.earthlink.net 1096504948 63.184.8.214 (Wed, 29 Sep 2004 17:42:28 PDT) NNTP-Posting-Date: Wed, 29 Sep 2004 17:42:28 PDT Xref: g2news1.google.com comp.lang.ada:4420 Date: 2004-09-30T00:42:28+00:00 List-Id: Rick Santa-Cruz wrote: > > how can I avoid the Constraint Error, when executing the following code: Don't violate the constraint. > package Messages is > type Message is tagged private; > subtype String_Txt is String(1..20); Objects of this subtype always have exactly 20 Characters. > > function Create(Str: String) return Message; > > private > type Message is tagged > record > Text: String_Txt; > end record; > end Messages; > ------------------------------ > package body Messages is > function Create(Str: String) return Message is > M: Message; > begin > M.Text := Str; If Str'Length /= 20, Constraint_Error will be raised. > return M; > end Create; > end Messages; -- Jeff Carter "Hello! Smelly English K...niggets." Monty Python & the Holy Grail 08